Reunion Race IV Rules:
Chassis: 4.5 FCR/GRC, nickel plated is OK.
Chassis width: 3.25" across outside of tires.
May add bracing wire/tubing.
Must have factory motor upright support.
Square axle bushings only; may use center hole square bushings. No altering, shaving, filling, or hack sawing of bushings. No opening of the square hole in the chassis.
You can add a guide tongue stiffener. However, you must keep the factory guide flag tongue in the center line of the chassis. You cannot sand, fill, or drill in/on the chassis.
You may add weight.
No offset; the chassis must have even wheel/axle spacing on both sides.
Centerline triangle rules.
Any guide flag and any lead wire.
Track clearance: .062" front to back. It will be checked with a Parma tech tool.
Tires: .850" x .800" rears, .750" x .400" minimum fronts.
Axles: 1/8" solid steel only.
Gears: Any 48p crown gear, any 48p pinion.
Motor: Sealed Parma/Mid-America 501 16D Deathstar. A lot of motors are out there and they will have some at the track if anyone needs one.
May change springs and brushes. May run cut brushes but not shunts.
No altering of the armature of any kind.
No shims.
May solder pinion side bushing to can.
No balanced arm, no glue on the arm.
No hidden bearings in end-bell or bushing
Body: 1/24-1/25 NASCAR Stock Car hardbody.
No sanding, heating, or cutting of fender wells. No release cutting.
Must use windows from the same kit as used for the body. No 'coke bottle' glass.
Mid-'80s to present NASCAR Injection molded styrene bodies. Must have three numbers on the roof and doors of realistic size. 1.875" body height, the tech tool must touch the center of the roof while sitting on the tech plate. You may trim the skirt off the sides of the body to get down to 1.875.
Velcro is used to attach the body to the chassis. You may tape the body to the chassis so it doesn't come loose.
Drivers: Paper or plastic
Min total weight: 185 grams